.collaborative-layout{
  width: 100%;
  height: 694px;
  background: #F6F6F6;
  .collaborative-container{
    width: 1050px;
    margin: 0 auto;
    padding-top: 70px;
    .header-box{
      display: flex;
      margin-bottom: 27px;
      .header-text1{
        font-family: Source Han Sans CN;
        font-weight: bold;
        font-size: 30px;
        color: #D31F29;
      }
      .header-text2{
        font-family: Source Han Sans CN;
        font-weight: bold;
        font-size: 30px;
        color: #333333;
      }
    }
    .line-box{
      width: 1050px;
      height: 2px;
      background: #0091D7;
      margin-bottom: 40px;
    }
    .message-box{
      margin-bottom: 77px;
      font-family: Source Han Sans CN;
      font-weight: 400;
      font-size: 16px;
      color: #666666;
      line-height: 16px;
    }
    .img-box{
      width: 1037px;
      height: 378px;
      margin: 0 auto;
    }
  }
}